01 -
Heat the oven to 400°F.
02 -
Scrub and dry potatoes, pierce each several times, coat lightly with the listed oil and bake about 50–60 minutes or longer until a skewer enters easily.
03 -
When safe to handle, peel and cut into one-inch pieces, sprinkle with measured vinegar and spread in shallow containers for prompt refrigeration rather than prolonged counter cooling.
04 -
Cook bacon until crisp, drain and chill if it will not be used immediately.
05 -
Mix mayonnaise and sour cream, considering the listed salt as a total seasoning allowance and adding pepper to taste.
06 -
Once potatoes are cool, gently fold in dressing, bacon, green onion and Cheddar, reserving some bacon separately if desired.
07 -
Refrigerate about three hours or overnight, serve cold and keep leftovers within the normal three-to-four-day refrigerated window.